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,r <br /> Transit Mix Concrete Co. <br /> drilling. Drilling was completed with the use of biodegradable drilling fluids, referred to as drilling <br /> mud, which is a standard practice. This drilling mud impedes the flow of water between the <br /> borehole and the surrounding rock mass, but it does not prevent gains or losses of borehole fluids <br /> when an aquifer is encountered. Groundwater wells are present in the valley bottoms upstream <br /> of the Little Turkey Creek in Section 17, and the water levels in these wells are similar to the <br /> creek elevation suggesting the ground water table is at the Little Turkey Creek elevation. All <br /> mining will occur above the Little Turkey Creek elevation; therefore, the deep groundwater <br /> system is not expected to be reached or impacted. <br /> This aggregate operation will be developed within a deposit of inert granitic rock and no acid- <br /> forming or toxic producing materials were identified during the exploratory drilling and sampling <br /> program; therefore, no release of pollutants to groundwater is expected. <br /> Hitch Rack Ranch Quarry Permit Application M-2016-010 <br /> September 15, 2016 G-22 <br />